One hour-long Google-Meet class to guide me live in developing a nodeJS cloud function that queries a firebase Cloud database

Hi! I am new to programming and need some help with a firebase cloud function I am building (nodeJS with typeScript). The cloud function should import data from a firebase Cloud database (already working) and later use that data to run different queries. We would agree on a time and I would send you a google Meet link to hold the call. If the session goes well we might be able to continue working together and schedule additional hours :) Next you can see: A.- the structure of my firebase database B.- the queries I want to implement C.- my current typescript code A.- the structure of my firebase database (see attached "figure [login to view URL]"). Figure 1 shows the structure of my firebase Cloud database. The collection "users" hold many "user" documents, each of whom has logged in with Google Auth. Each "user" document holds a collection called "bestScore" and another collection called "history". "History" holds many documents, each specifying various fields related to a particular math questions the user has been given in a mobile app and the answer he has submitted. These fields, seen in figure 1 are: - question (holds the math question that the user has received in the mobile app) - answer (the correct answer to the question) - userAnswer (the answer the user has submitted) - time (the number of secods it has taken the user to answer the question) - dateTime (the time stamp that shows when the question was displayed) - qtype (a string that shows the type of math question that was posed) B.- Queries I want to implement: 1. get the type of question the user answered the last time he played 2. get the number of questions of a particular type that the user has answered correctly 3. same as above but limited to a particular time period (e.g. last two weeks) C. My typeScript code: [login to view URL]